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/data/refman/pasoursint/CMSSW_5_3_10/src/TopQuarkAnalysis/TopJetCombination/src/TtSemiLRJetCombCalc.cc

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00001 //
00002 // Author:  Jan Heyninck
00003 // Created: Tue Apr  3 17:33:23 PDT 2007
00004 //
00005 // $Id: TtSemiLRJetCombCalc.cc,v 1.4 2007/06/18 14:08:16 heyninck Exp $
00006 //
00007 #include "TopQuarkAnalysis/TopJetCombination/interface/TtSemiLRJetCombCalc.h"
00008 
00009 // constructor with path; default should not be used
00010 TtSemiLRJetCombCalc::TtSemiLRJetCombCalc(TString fitInputPath, std::vector<int> observables) {
00011   std::cout << "=== Constructing a TtSemiLRJetCombCalc... " << std::endl; 
00012   myLR = new LRHelpFunctions();
00013   addPurity = false;
00014   if(observables[0] == -1) addPurity = true;
00015   myLR -> readObsHistsAndFits(fitInputPath, observables, addPurity);
00016   std::cout << "=== done." << std::endl;
00017 }
00018 
00019 
00020 // destructor
00021 TtSemiLRJetCombCalc::~TtSemiLRJetCombCalc() {
00022   delete myLR;
00023 }
00024 
00025 
00026 void  TtSemiLRJetCombCalc::operator()(TtSemiEvtSolution & sol){
00027   
00028   // find the used observables
00029   std::vector<double> obsVals;
00030   for(unsigned int o = 0; o<100; o++){
00031     if( myLR->obsFitIncluded(o) ) {obsVals.push_back(sol.getLRJetCombObsVal(o)); };
00032   }
00033   
00034   // calculate the logLR and the purity
00035   double logLR = myLR->calcLRval(obsVals);
00036   double prob  = -999.;
00037   if(addPurity) prob = myLR->calcProb(logLR);
00038   
00039   // fill these values to the members in the TtSemiEvtSolution
00040   sol.setLRJetCombLRval(logLR);
00041   sol.setLRJetCombProb(prob);
00042 }